%0 Journal Article
%A D. V. Osipov
%T Central extensions and reciprocity laws on algebraic surfaces
%J Sbornik. Mathematics
%D 2005
%P 1503-1527
%V 196
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_2005_196_10_a4/
%G en
%F SM_2005_196_10_a4